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Level 25
· ◆◆◆◆ · ~12 min
The Chi-Square Test
The Chi-Square Test
"When the data are counts: does the observed tally fit the expected model?"
observed vs expected countschi-square statisticgoodness of fitdegrees of freedom
A short lesson, then a quiz. ❤️×3 — a wrong answer costs a heart; finish with at least one left and the level is yours. Lose all three and you'll have to try again. Replay any time — XP and cleared levels are never lost.